Create new type and remove un-used code

vendor/github.com/liamg/tml/sprintf.go

@@ -0,0 +1,11 @@
+package tml
+
+import "fmt"
+
+// Sprintf works like fmt.Sprintf, but adds the option of using tags to apply colour or text formatting to the written text. For example "<red>some red text</red>".
+// A full list of tags is available here: https://github.com/liamg/tml
+func Sprintf(input string, a ...interface{}) string {
+	// parsing cannot fail as the reader/writer are simply for local strings
+	format, _ := Parse(input)
+	return fmt.Sprintf(format, a...)
+}